diff options
Diffstat (limited to 'activerecord/lib/active_record/mixins/tree.rb')
| -rw-r--r-- | activerecord/lib/active_record/mixins/tree.rb | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/activerecord/lib/active_record/mixins/tree.rb b/activerecord/lib/active_record/mixins/tree.rb index 582aa09b4b..141bbb1806 100644 --- a/activerecord/lib/active_record/mixins/tree.rb +++ b/activerecord/lib/active_record/mixins/tree.rb @@ -21,16 +21,20 @@ module ActiveRecord # root.children # => [child1] # root.children.first.children.first # => subchild1 module Tree - def self.append_features(base) super - - base.module_eval <<-associations - belongs_to :parent, :class_name => name, :foreign_key => "parent_id" - has_many :children, :class_name => name, :foreign_key => "parent_id", :order => "id", :dependent => true - associations - + base.extend(ClassMethods) end end + + module ClassMethods + def acts_as_tree(options = {}) + configuration = { :foreign_key => "parent_id", :order => nil } + configuration.update(options) if options.is_a?(Hash) + + belongs_to :parent, :class_name => name, :foreign_key => configuration[:foreign_key] + has_many :children, :class_name => name, :foreign_key => configuration[:foreign_key], :order => configuration[:order], :dependent => true + end + end end end
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